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All about colorectal cancer causes of colorectal cancer risk factors for colorectal cancer symptoms of colorectal cancer diagnosis of colorectal cancer treatment for colorectal cancer preventing the development of colorectal cancer colon polyp symptoms of colon polyps treatment for colon polyps

What causes colorectal cancer?

Colorectal cancer is a disease resulting from mutations in epithelial cells lining the gastrointestinal tract. Most of the known abnormalities involve the DNA which regulates cell growth. Though many of these effects are well known, there are likely environmental, hereditary, and viral causes for specific cell defects. Because the changes at the cell level may take years to develop into cancer, it is generally impossible to track the cause of specific cases of cancer. Thus efforts at prevention mostly focus on avoiding or identifying risk factors and early detection. Less than 10 percent of colorectal cancers are caused by inherited gene mutations. People with a family history of colorectal cancer may wish to consider genetic testing. The American Cancer Society suggests that anyone undergoing such tests have access to a physician or geneticist qualified to explain the significance of these test results.

More information on colorectal cancer

What is colorectal cancer? - Colorectal cancer is cancer of the colon or rectum. Colorectal cancer includes cancerous growths in the colon, rectum, anus, and appendix.
What causes colorectal cancer? - Colorectal cancer is a disease resulting from mutations in epithelial cells lining the gastrointestinal tract.
What're the risk factors for colorectal cancer? - Risk factors for colorectal cancer include family history of colon cancer, age, smoking, diet, virus.
What're the symptoms of colorectal cancer? - Symptoms of colorectal cancer vary depending on the location of the cancer within the colon or rectum, though there may be no symptoms at all.
How is colorectal cancer screened and diagnosed? - Colorectal cancer usually is diagnosed by a sigmoidoscopy or colonoscopy. Screening for colorectal cancer is recommended in individuals who are at increased risk.
What's treatment for colorectal cancer? - Treatment for colorectal cancer depends mostly on the size, location and extent of the tumor. Surgery to remove the tumor is the most common treatment.
How to prevent the development of colorectal cancer? - Colorectal cancer can be associated with known risk factors. Many risk factors are modifiable though not all can be avoided.
What is a colon polyp? - Colon polyps are growths that stick out from the lining of the lower intestine. Polyps can develop anywhere in your large intestine.
What're the symptoms of colon polyps? - Smptoms of colon polyps include rectal bleeding, blood in stool, constipation or diarrhea, pain or obstruction.
What's the treatment for colon polyps? - For people with familial colon polyps, complete removal of the large intestine and rectum eliminates the risk of cancer.
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